Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

ElasticRoute
Locus Dispatcher
RouteXL
FleetUp
OptimoRoute
Wise Systems
ServicePower
Flightmap lets you keep track of all your flights (past and future), and turns them into...

Which is more popular?
Based on our record, Flightmap seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | zip-codes.com | dropcatch.com |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of Flightmap yet.
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of Flightmap yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Flightmap. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Http://flightmap.net/ was designed to run on Windows XP... Source: over 3 years ago
When comparing ZIP Code API and Flightmap, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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ElasticRoute is a reputable multi-route planner software that allows you to save time and cost for your deliveries.
Compare ElasticRoute to ZIP Code API or Flightmap:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or Flightmap:

Locus Dispatcher is a best-in-class automated route planning software that comes with a reliable strategy that enables you to make the deliveries on time via having the best possible route in place.
Compare Locus Dispatcher to ZIP Code API or Flightmap:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Flightmap:

Find the best road trip to multiple locations. Sort the order of your destinations for the fastest itinerary. Saves time and money.
Compare RouteXL to ZIP Code API or Flightmap: